The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 01, 2022
Filed:
Oct. 28, 2020
Applicant:
C/o Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 5/147 (2006.01); G03G 5/07 (2006.01); G03G 21/18 (2006.01); C09D 133/14 (2006.01); C08F 220/36 (2006.01);
U.S. Cl.
CPC ...
G03G 5/0732 (2020.05); C08F 220/36 (2013.01); C09D 133/14 (2013.01); G03G 21/1814 (2013.01);
Abstract
There is provided an electrophotographic photosensitive member capable of suppressing the environmental fluctuation in repeated use. A protective layer of the electrophotographic photosensitive member contains a polymer of a composition containing a hole transporting compound having two or more (meth)acryloyloxy groups and a compound having a specific structure.